asterisk users - May 2011 - About X100P and TDM400P analog card in China

Hello. All.
    I am a bit new to asterisk, started from half a month ago.
    I am setting up a home asterisk server with analog card. I am using
asterisk 1.4.27.
    At the moment, I bought a X100P card and installed it on my computer. I
used it to connect my home phone line. For the moment, it works fine when
dial in. Soon I noticed when I dial out through it to my mobile, it can't
hang up automatically after I hang up my mobile. After googled, I found the
reason as described as below link and some solutions.
http://www.asteriskguru.com/tutorials/resolving_hangup_detection_problems_fxo_tdm_voicemail.html
For me, none of solutions works.
    So I am rethinking should I buy another TDM400P card.
    But I am wondering because in China. The phone system looks different so
I don't know if TDM400P will work or not.

 Here is the flow when I am using X100P to dial out.
1. Pick up phone
I hear tone. DA~~~
2. press the number
tone: DA~~~
3. dialing~~~~
No more tone. Music playing~~~~~(lalala, I love lalal)
At the same time, on asterisk console, it prints out. "The call has been
answered".
Actually it is still dialing and my mobile is ringing because I didn't
answer the call.. The music was played by ISP
4. whether I answered the call or refuse the call. No more prints on
asterisk console.
But on phone end, when I refuse the call, instead of busytone, I hear the
voice "The phone you're dialing is busy now. Please try again
later.".
So the whole thing is, during the whole call process, only before dialing,
we can hear the phone tone, for all other time, Dialing, refused, the ISP
will play music/voice instead of providing the tone. I don't understand how
x100p identify the status, I guess should be on the tone.
5. I wait asterisk/x100p to hangup the call and after 5 minutes, I have to
cut the phone line to force it hang up.

So can TDM400X work with such a system without tone only with music and
voice?

Thanks.
Regards.
Scott
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Remember that ZAP/DAHDI channels don't receive ( because most PSTN/POTS 
lines don't provide ) answer supervision.
This will certainly complicate what you want do do.

John Novack


Scott Zhang wrote:
> Hello. All.
>     I am a bit new to asterisk, started from half a month ago.
>     I am setting up a home asterisk server with analog card. I am 
> using asterisk 1.4.27.
>     At the moment, I bought a X100P card and installed it on my 
> computer. I used it to connect my home phone line. For the moment, it 
> works fine when dial in. Soon I noticed when I dial out through it to 
> my mobile, it can't hang up automatically after I hang up my mobile. 
> After googled, I found the reason as described as below link and some 
> solutions.
>
http://www.asteriskguru.com/tutorials/resolving_hangup_detection_problems_fxo_tdm_voicemail.html
> For me, none of solutions works.
>     So I am rethinking should I buy another TDM400P card.
>     But I am wondering because in China. The phone system looks 
> different so I don't know if TDM400P will work or not.
>
>  Here is the flow when I am using X100P to dial out.
> 1. Pick up phone
> I hear tone. DA~~~
> 2. press the number
> tone: DA~~~
> 3. dialing~~~~
> No more tone. Music playing~~~~~(lalala, I love lalal)
> At the same time, on asterisk console, it prints out. "The call has 
> been answered".
> Actually it is still dialing and my mobile is ringing because I didn't 
> answer the call.. The music was played by ISP
> 4. whether I answered the call or refuse the call. No more prints on 
> asterisk console.
> But on phone end, when I refuse the call, instead of busytone, I hear 
> the voice "The phone you're dialing is busy now. Please try again
later.".
> So the whole thing is, during the whole call process, only before 
> dialing, we can hear the phone tone, for all other time, Dialing, 
> refused, the ISP will play music/voice instead of providing the tone. 
> I don't understand how x100p identify the status, I guess should be on 
> the tone.
> 5. I wait asterisk/x100p to hangup the call and after 5 minutes, I 
> have to cut the phone line to force it hang up.
>
> So can TDM400X work with such a system without tone only with music 
> and voice?
>
> Thanks.
> Regards.
> Scott
>
>
> --
> _____________________________________________________________________
> -- Bandwidth and Colocation Provided by http://www.api-digital.com --
> New to Asterisk? Join us for a live introductory webinar every Thurs:
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>     http://lists.digium.com/mailman/listinfo/asterisk-users
-- 

Dog is my Co-pilot

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Thanks.
I see.


Regards.
Scott

On Wed, May 11, 2011 at 3:43 AM, John Novack
<jnovack at stromberg-carlson.org>wrote:
>  Assuming you have read the link you provided, and understand most of what
> it said, the link really doesn't address calling out over a POTS
(copper)
> line.
> When Asterisk dials out and finishes the dial string, it considers it
> answered. IF your POTS provider doesn't provide any clue, other than
audio,
> that the line is answered, not answered, or the call terminates, then you
> will have to do some coding.
> You could set an absolute limit, or IF the call will always go to you, you
> could listen for some DTMF and hang up then.
> OR, if there is an option, you could use some sort of digital trunk, SIP or
> what have you, where there is more complete communication.
> SIP isn't the most desirable, IMO, as some of your countrymen ( and
other
> counties s well ) seem to have nothing better to do than to attempt to
break
> in to VOIP systems and steal telephone time.
> T1/E1 will certainly provide much better communication, as will ISDN.
>
> Remember the POTS analog technology was built and constantly modernized
> over the last 130 years, but was never designed for anything other than
> human communication. Once stupid machinery became involved, the problems
> became larger and larger.
>
> John Novack
>
>
>
> Scott Zhang wrote:
>
> So does this mean no solution when used ZAP/DAHDI with PSTN line?
>
> If I installed an E1, will that work?
>
>
> Thanks.
> Regards.
>
> On Wed, May 11, 2011 at 12:57 AM, John Novack <
> jnovack at stromberg-carlson.org> wrote:
>
>>  Remember that ZAP/DAHDI channels don't receive ( because most
PSTN/POTS
>> lines don't provide ) answer supervision.
>> This will certainly complicate what you want do do.
>>
>> John Novack
>>
>>
>> Scott Zhang wrote:
>>
>>  Hello. All.
>>     I am a bit new to asterisk, started from half a month ago.
>>     I am setting up a home asterisk server with analog card. I am using
>> asterisk 1.4.27.
>>     At the moment, I bought a X100P card and installed it on my
computer.
>> I used it to connect my home phone line. For the moment, it works fine
when
>> dial in. Soon I noticed when I dial out through it to my mobile, it
can't
>> hang up automatically after I hang up my mobile. After googled, I found
the
>> reason as described as below link and some solutions.
>>
>>
http://www.asteriskguru.com/tutorials/resolving_hangup_detection_problems_fxo_tdm_voicemail.html
>> For me, none of solutions works.
>>     So I am rethinking should I buy another TDM400P card.
>>     But I am wondering because in China. The phone system looks
different
>> so I don't know if TDM400P will work or not.
>>
>>  Here is the flow when I am using X100P to dial out.
>> 1. Pick up phone
>> I hear tone. DA~~~
>> 2. press the number
>> tone: DA~~~
>> 3. dialing~~~~
>> No more tone. Music playing~~~~~(lalala, I love lalal)
>> At the same time, on asterisk console, it prints out. "The call
has been
>> answered".
>> Actually it is still dialing and my mobile is ringing because I
didn't
>> answer the call.. The music was played by ISP
>> 4. whether I answered the call or refuse the call. No more prints on
>> asterisk console.
>> But on phone end, when I refuse the call, instead of busytone, I hear
the
>> voice "The phone you're dialing is busy now. Please try again
later.".
>> So the whole thing is, during the whole call process, only before
dialing,
>> we can hear the phone tone, for all other time, Dialing, refused, the
ISP
>> will play music/voice instead of providing the tone. I don't
understand how
>> x100p identify the status, I guess should be on the tone.
>> 5. I wait asterisk/x100p to hangup the call and after 5 minutes, I have
to
>> cut the phone line to force it hang up.
>>
>> So can TDM400X work with such a system without tone only with music and
>> voice?
>>
>> Thanks.
>> Regards.
>> Scott
>>
>>
>> --
>> _____________________________________________________________________
>> -- Bandwidth and Colocation Provided by http://www.api-digital.com --
>> New to Asterisk? Join us for a live introductory webinar every Thurs:
>>                http://www.asterisk.org/hello
>>
>> asterisk-users mailing list
>> To UNSUBSCRIBE or update options visit:
>>    http://lists.digium.com/mailman/listinfo/asterisk-users
>>
>>
>>  --
>>
>> Dog is my Co-pilot
>>
>>
>
> --
>
> Dog is my Co-pilot
>
>
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